package cn.tedu.boot10.mapper;

import cn.tedu.boot10.entity.Class;
import org.springframework.stereotype.Repository;

import java.util.List;

@Repository
public interface ClassMapper {
    List<Class> select();

    Class selectById(int id);

    int insert(Class c);

    int deleteById(int id);

    int deleteByIds(Integer[] ids);

    int update(Class c);

    int count();


}
